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WO2001095787A3 - Catheter de detection de temperature - Google Patents

Catheter de detection de temperature Download PDF

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Publication number
WO2001095787A3
WO2001095787A3 PCT/US2001/041032 US0141032W WO0195787A3 WO 2001095787 A3 WO2001095787 A3 WO 2001095787A3 US 0141032 W US0141032 W US 0141032W WO 0195787 A3 WO0195787 A3 WO 0195787A3
Authority
WO
WIPO (PCT)
Prior art keywords
catheter
sensors
embedded
temperature sensing
sensing catheter
Prior art date
Application number
PCT/US2001/041032
Other languages
English (en)
Other versions
WO2001095787A2 (fr
Inventor
Thomas F Haddock
William W O'neill
Original Assignee
Thomas F Haddock
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomas F Haddock filed Critical Thomas F Haddock
Priority to AU7359701A priority Critical patent/AU7359701A/xx
Priority to CA2411941A priority patent/CA2411941C/fr
Priority to EP01952887A priority patent/EP1294275A4/fr
Priority to JP2002509976A priority patent/JP2005515795A/ja
Publication of WO2001095787A2 publication Critical patent/WO2001095787A2/fr
Publication of WO2001095787A3 publication Critical patent/WO2001095787A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6853—Catheters with a balloon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6858—Catheters with a distal basket, e.g. expandable basket
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6859—Catheters with multiple distal splines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6885—Monitoring or controlling sensor contact pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/028—Microscale sensors, e.g. electromechanical sensors [MEMS]

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

L'invention concerne un cathéter de détection thermique trouvant une utilité particulière dans la détection et l'isolation d'une plaque artérielle instable. Des capteurs de température miniaturisés, de préférence sous forme de micro-thermistances, sont intégrés dans des éléments de présentation extensibles disposés au niveau de l'extrémité distale d'un cathéter. Ces capteurs peuvent alors être déployés afin de mesurer la température de surface de la paroi intérieure des artères coronaires ou d'autres vaisseaux à différents emplacements de manière à identifier les sites à température élevée révélant la présence d'une plaque instable. Les éléments de présentation peuvent présenter une configuration de type 'main' ou une structure de type panier. Une pluralité de capteurs thermiques sont intégrés dans les côtés des éléments de détection polymériques ou métalliques, lesquels s'étendent en dehors de la ligne centrale d'un cathéter vers les parois intérieures du vaisseau. On utilise de préférence une technique d'encapsulation asymétrique pour intégrer les capteurs au voisinage immédiat les uns des autres contre une paroi extérieure d'un bras de détection tout en assurant le maintien d'un support isolant pour empêcher que l'effet de la température sanguine sur le côté arrière des bras n'influe excessivement sur les mesures de la température de la plaque. Cet ensemble cathéter fait interface avec une boîte de données recevant des signaux en provenance des éléments de détection. Ladite boîte de données comprend un affichage servant à présenter les mesures étalonnées effectuées par les capteurs ainsi que les capacités de la mémoire pour le stockage des données en vue d'un téléchargement ultérieur via un port intégré dans le boîtier. La sortie de cette boîte de données est dirigée vers un ordinateur, de préférence en temps réel et via ce même port, de façon à permettre un affichage plein écran des données thermiques. Dans chaque mode de réalisation, l'enregistrement d'une opération est sauvegardé en vue d'une analyse ultérieure.
PCT/US2001/041032 2000-06-16 2001-06-18 Catheter de detection de temperature WO2001095787A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU7359701A AU7359701A (en) 2000-06-16 2001-06-18 Temperature sensing catheter
CA2411941A CA2411941C (fr) 2000-06-16 2001-06-18 Catheter de detection de temperature
EP01952887A EP1294275A4 (fr) 2000-06-16 2001-06-18 Catheter de detection de temperature
JP2002509976A JP2005515795A (ja) 2000-06-16 2001-06-18 温度検出カテーテル

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US21199500P 2000-06-16 2000-06-16
US60/211,995 2000-06-16
US09/882,889 2001-06-15
US09/882,889 US6712771B2 (en) 2000-06-16 2001-06-15 Temperature sensing catheter

Publications (2)

Publication Number Publication Date
WO2001095787A2 WO2001095787A2 (fr) 2001-12-20
WO2001095787A3 true WO2001095787A3 (fr) 2002-07-04

Family

ID=26906666

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/041032 WO2001095787A2 (fr) 2000-06-16 2001-06-18 Catheter de detection de temperature

Country Status (6)

Country Link
US (1) US6712771B2 (fr)
EP (1) EP1294275A4 (fr)
JP (1) JP2005515795A (fr)
AU (1) AU7359701A (fr)
CA (1) CA2411941C (fr)
WO (1) WO2001095787A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7426409B2 (en) 1999-06-25 2008-09-16 Board Of Regents, The University Of Texas System Method and apparatus for detecting vulnerable atherosclerotic plaque

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US20040034303A1 (en) * 2000-06-16 2004-02-19 Korotko Joseph R. Blood-flow-occluding, temperature-sensing catheters and methods of use
US20030120171A1 (en) * 2000-09-08 2003-06-26 Leonidas Diamantopoulos Vasular temperature measuring device and process for measuring vascular temperature
US20020071474A1 (en) * 2000-11-10 2002-06-13 Werneth Randell L. Device for measuring temperature of vessel walls
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US6694181B2 (en) * 2001-02-12 2004-02-17 Scimed Life Systems, Inc. Methods and devices for detecting vulnerable plaque
US6514214B2 (en) * 2001-02-13 2003-02-04 Scimed Life Systems, Inc. Intravascular temperature sensor
US7160255B2 (en) 2001-07-12 2007-01-09 Vahid Saadat Method and device for sensing and mapping temperature profile of a hollow body organ
US20030013986A1 (en) * 2001-07-12 2003-01-16 Vahid Saadat Device for sensing temperature profile of a hollow body organ
US6679906B2 (en) * 2001-07-13 2004-01-20 Radiant Medical, Inc. Catheter system with on-board temperature probe
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US20070043342A1 (en) * 2005-08-16 2007-02-22 Galil Medical Ltd. Cryoprobe with reduced adhesion to frozen tissue, and cryosurgical methods utilizing same
US8348855B2 (en) * 2005-08-29 2013-01-08 Galil Medical Ltd. Multiple sensor device for measuring tissue temperature during thermal treatment
EP1996080A4 (fr) * 2006-03-22 2010-12-08 Volcano Corp Analyse de lésions automatisée fondée sur une caractérisation automatique des plaques en fonction d'un critère de classification
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US5871449A (en) * 1996-12-27 1999-02-16 Brown; David Lloyd Device and method for locating inflamed plaque in an artery

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Publication number Priority date Publication date Assignee Title
US7426409B2 (en) 1999-06-25 2008-09-16 Board Of Regents, The University Of Texas System Method and apparatus for detecting vulnerable atherosclerotic plaque

Also Published As

Publication number Publication date
EP1294275A4 (fr) 2003-08-20
US20010053882A1 (en) 2001-12-20
AU7359701A (en) 2001-12-24
WO2001095787A2 (fr) 2001-12-20
CA2411941C (fr) 2010-09-21
US6712771B2 (en) 2004-03-30
CA2411941A1 (fr) 2001-12-20
EP1294275A2 (fr) 2003-03-26
JP2005515795A (ja) 2005-06-02

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